Analysis

  • max time kernel
    133s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-08-2024 12:46

General

  • Target

    b381461c2e2c87feec1141428dfdbae5_JaffaCakes118.exe

  • Size

    332KB

  • MD5

    b381461c2e2c87feec1141428dfdbae5

  • SHA1

    3142fad60b3237cd5ff5fa51c8e645394768e771

  • SHA256

    0c4b95d1301ae9f5be0add1cce7c92cf7041f7c6a7531222e922668714c09ee7

  • SHA512

    907b8efb4b6b31e90646fd1baea48a7b4d0b571c88555ccabe61794935b0e7cb33164d43ead5379ef2164cb1a540cd60f8cd644eefe5307e229c783b9db958d3

  • SSDEEP

    6144:o3KEwUBFlfvryauVcy+jJfCG6S36YcRsQV6y8n:ttUdua2236dKQVm

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b381461c2e2c87feec1141428dfdbae5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b381461c2e2c87feec1141428dfdbae5_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Users\Admin\AppData\Local\Temp\b381461c2e2c87feec1141428dfdbae5_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\b381461c2e2c87feec1141428dfdbae5_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      PID:5000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\b381461c2e2c87feec1141428dfdbae5_JaffaCakes118.exe

    Filesize

    848KB

    MD5

    63d3fda30cd5bcec7f2dd64a49591900

    SHA1

    49c0d343c556758a6d3436e6f45ace8cfd20990e

    SHA256

    623a60c7f9ddbd0f05e1a2c8b82c78240ef5fa4f1bde4504889e6c6817e264dc

    SHA512

    380b19f82fc6d9fe65f4c5f2c5ac7b5e7f2e7b1de1a3cc98930bfd5ee7d88c1dd9371527f3fb18537b9b141b8504b91e3cc811858098f92407143687b681322c

  • memory/1648-6-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB